Osaki 4D Manhattan Duo Mech Massage Chair
Whether you need to replace your mattress alone or need a completely new setup with refreshed accessories, our sleep experts can guide you through the entire process and help you build the bed of your dreams.
Try the Osaki 4D Manhattan Duo Massage Chair in Moore, OK
The Osaki 4D Manhattan Duo Massage Chair delivers a premium full-body massage experience using advanced dual-track 4D technology and AI-driven customization. Visit The Mattress Clinic showroom in Moore to test this chair and compare it side-by-side with other massage chairs before you buy. Its dual-mechanism system is designed to provide more precise coverage across the neck, back, and lower body, creating a deeper and more complete massage. With intelligent body scanning and adaptive programs, the Manhattan Duo adjusts to your body to deliver a personalized massage every time you sit down.
Features
- AI Series Technology
- 4D + 3D Dual Mechanism Technology
- Smart Body Scan System
- 16 Auto Massage Programs
- 7 Manual Massage Programs
- Intelligent AI Health Monitor
- Intelligent Voice Control
- Zero Gravity Reclining
- Space Saving Technology
- SL-track Track System
- Quiet Massage Technology
- Auto Extension Footrest
- 26 Cell Full Air Body Massage
- Thinner 7’’ Touchscreen Controller
- Deep Calf Kneading
- Foot Rollers & Kneading
- Wireless Charger & USB Port
- Quick Side Control Panel
- Bluetooth HS Surround Speakers
- Hand Reflexology Massage
- Removable Pillow
- LED Lighting
Warranty: 5 Year(3 Years Full Service & Additional 2 Years Parts)
Who This Chair Is Best For
People wanting a deeper, more advanced massage experience
The dual-mechanism 4D system is designed for those who want stronger, more precise massage coverage compared to standard massage chairs.
Shoppers comparing high-end massage chairs in person
If you’re deciding between premium models, the Manhattan Duo is ideal to test side-by-side in our Moore showroom to feel the difference in dual-track performance.
Those dealing with back, shoulder, or full-body tension
The extended coverage and adaptive programs help target multiple areas at once, making it a strong option for full-body relief.
Customers who want a more personalized massage
With AI-driven body scanning and customizable programs, this chair adjusts to your body for a more tailored experience each time.
Buyers looking for a premium massage chair before committing
This is a great model to try in-store if you want to experience higher-end features before making a long-term investment.
- Heart Rate
- Blood Oxygen Levels
- Microcirculation
- HRV
- Fatigue Index
Space Saving Technology
Full Air Body Massage
Touchscreen Controller
& USB Port
Pattern on Armrest
- Calculate the doorway width by subtracting 2 inches from the smallest inner width of the door frame. (1 inch from each side)
- Please use a standard measuring tape to measure the doorway.
- If the door cannot be fully opened, open it as much as possible and measure the width from the edge of the door hinge.
- If there is a rounded curve on the wall, calculate the inner width based on the most protruding point of the wall.

Specifications
Product Name:
Osaki 4D Manhattan Duo Massage Chair
User Manual:
Download
Power Supply:
110–120V
Rated Frequency:
50/60Hz
Chair Dimensions (W x L x H)
Upright:
31.5" x 58.5" x 47.0"
Reclined:
31.5" x 79.0" x 37.0"
Chair Details
Chair Weight:
273.2 lbs
Shoulder Width:
20.0"
Seat Width:
20.0"
Minimum Door Width:
31.5"
Maximum User Weight:
273.2 lbs
Packaging Information
Box 1 Dimensions (W x L x H):
33.5" x 50.8" x 57.9"
Box 1 Weight:
329.6 lbs
Try This Chair in Our Moore Showroom
Experience the Osaki 4D Manhattan Duo Massage Chair in person at The Mattress Clinic. Test the dual-mechanism system, feel the difference in full-body coverage, and compare it side-by-side with other massage chairs before you buy.
Largest massage chair showroom in Oklahoma — 10+ chairs available to test in-store.
Mattress Delivery, Setup, and Haul-Away Services
Mattress delivery should feel simple, organized, and stress-free from the moment your new sleep setup leaves the showroom. At The Mattress Clinic in Moore, OK, delivery services are available throughout Oklahoma City and surrounding metro communities with options for in-home setup, adjustable base installation, and old mattress removal.
Some deliveries involve standard mattress placement, while others include complete sleep-system setup with adjustable bases, split king configurations, and mattress compatibility adjustments. Professional setup helps ensure the mattress, adjustable base, and support system all work together correctly before delivery is complete.
Optional haul-away services are also available for older mattresses and adjustable bases, helping simplify the transition into a new sleep setup without the hassle of disposal or heavy lifting.
What Delivery Services Include
Delivery services can include mattress transportation, in-home placement, adjustable base setup, split king installation, haul-away assistance, and complete sleep-system positioning depending on the setup being delivered.
Some customers only need mattress delivery, while others require adjustable base assembly, split king synchronization, or removal of older sleep equipment during the installation process. In-store Mattress Comparison beforehand also helps simplify delivery day by narrowing down mattress compatibility and support preferences before installation.
Different mattress materials, especially Memory Foam Mattresses, can affect how adjustable positioning systems perform during setup and long-term use.
Delivery pricing and setup details are discussed before scheduling so expectations remain clear throughout the process. Professional mattress delivery also helps simplify transportation, setup coordination, and complete sleep-system installation without needing to move heavy mattresses or adjustable bases independently.
Delivery Options Available
Local Mattress Delivery
Delivery is available throughout Moore and nearby communities with in-home placement and optional setup services available for mattresses, adjustable bases, and complete sleep systems.
Oklahoma City Metro Delivery
Full-service delivery is available throughout the Oklahoma City metro, including Norman, Midwest City, Yukon, Mustang, Del City, Newcastle, and surrounding areas.
Adjustable Base Setup
Adjustable base setup services help ensure positioning systems, split king configurations, and mattress compatibility are functioning correctly before installation is complete. This is especially helpful for adjustable sleep systems with dual controls or individualized positioning features.
Old Mattress Removal
Haul-away services are available for older mattresses, adjustable bases, and related sleep-system components so customers do not have to manage disposal separately.
Optional Curbside Delivery
Curbside delivery is also available for customers who prefer a simplified drop-off option without in-home setup services.
Preparing for Delivery Day
Preparing the room before delivery helps simplify setup and installation. Clear pathways, open floor space, and secured pets all help make delivery more efficient and safer for both customers and the delivery team.
Delivery windows are provided ahead of time, and updates are typically communicated while the team is en route. Larger sleep-system setups involving adjustable bases or split king configurations may require additional installation time during setup.
Areas We Deliver To
Delivery services are available throughout Moore, Oklahoma City, Norman, Midwest City, Del City, Newcastle, Mustang, Yukon, and many surrounding Oklahoma communities.
If you are unsure whether delivery is available in your area, our team can help confirm scheduling and service availability before purchase.
Why Customers Choose Our Delivery Team
Professional mattress delivery helps simplify the process of upgrading an entire sleep setup, especially when adjustable bases, split king systems, or haul-away services are involved. Many customers appreciate having setup, positioning, installation, and removal handled during the same visit instead of coordinating multiple services separately.
The Mattress Clinic delivery team focuses on making mattress setup straightforward, organized, and comfortable without unnecessary complications or confusion during installation.
Schedule Mattress Delivery and Setup
Visit The Mattress Clinic in Moore, just off I-35, to discuss mattress delivery, adjustable base setup, and haul-away options before purchasing your new sleep system. Our team can help explain delivery availability, setup services, split king installation, and mattress compatibility so the transition into your new sleep setup feels straightforward and stress-free.
Visiting the showroom for Mattress Testing before delivery can also help clarify mattress compatibility and support preferences before setup is scheduled.
We help our customers compare options, test comfort levels, and choose what best matches your body and sleep needs. We take a lot of pride in getting this right the first time — and the vast majority of customers never need a comfort exchange. If you ever decide you’d prefer a different feel, our 365 Night Mattress Exchange gives you a clear backup plan. And if you do need to make a change, we’re not guessing — we use your real feedback from the first mattress to guide you into an even better match.
This program is designed to give you confidence when you buy. You’re getting real guidance up front, and a safety net after, so you can feel secure in your decision either way.
Why This Helps You Buy With Confidence
Your body and a new mattress both need time to adjust. A mattress that feels “different” at first often becomes the perfect fit once your body settles in and pressure points change. The 365 Night Mattress Exchange is built around that reality. It encourages you to give your mattress a real chance, while still protecting you if you truly need a comfort change later.
And if you do exchange, that second selection is usually even more dialed-in — because we’re making the decision based on what you experienced over real nights of sleep, not just a few minutes in the showroom.
What the Exchange Gives You
The 365 Night Mattress Exchange allows you to reselect a different comfort option within one year of purchase. You’ll stay in the same mattress size, and you’ll have the freedom to choose a comfort level that fits you better. If your new choice is a higher value, you pay the difference. If it’s lower, the exchange still gives you the ability to reselect based on comfort.
How to Start an Exchange Request
If you ever need to begin an exchange request, email us at contact@mattressclinic.com with a picture of the law tag and a description of what you’re experiencing. From there, our team will guide you through the next steps and help you make the best possible reselect.
Want the Full Details?
This page is a customer-friendly overview so you can shop with confidence. For complete qualifications, timelines, and all program terms, please review the Full Mattress Comfort Exchange Policy.
If the Exact Same Mattress Drops in Price, We’ll Make It Right
Buying a mattress is a big decision, and price confidence matters. If you find the exact same mattress advertised for less after your purchase, we want you to feel confident you paid the right price.
That’s why The Mattress Clinic offers a 180 Day Price Match on qualifying mattresses.
If a valid lower advertised price appears within 180 days of your purchase, we’ll review it and make it right.
How the 180 Day Price Match Works
If you come across a lower advertised price, the process is simple:
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The mattress must be the same brand, model, and size
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The price must be publicly advertised and currently available
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Bring the advertisement (link, screenshot, or printed copy)
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Visit our showroom so we can verify the details in person
The Mattress Clinic
803 North Moore Avenue Ste 103
Moore, OK 73160
(405) 735-6688
Verification is completed in-store to ensure accuracy and fairness for everyone. All requests are subject to verification and approval.
What This Covers
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New mattresses purchased from The Mattress Clinic
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Name-for-name product comparisons
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Valid price match requests made within 180 days of purchase
This is designed to protect you from price regret — without games or gimmicks.
Why Local Pricing Still Works
Many shoppers worry that buying locally means paying more — especially with so many online deals available.
At The Mattress Clinic, that isn’t the case.
We operate differently than large chains and online-only retailers. By keeping operations efficient and managing most areas of the business in-house, we’re able to control costs without sacrificing service, selection, or support.
That’s why we can confidently stand behind our pricing — and why our 180 Day Price Match exists in the first place.
If you find the exact same mattress advertised for less, we’ll review it and make it right.
Questions? We’re Here to Help
If you’re unsure whether a price qualifies, feel free to call or stop by before making the trip.
(405) 735-6688
Visit us in Moore, OK
We’re happy to walk through the details with you — no pressure.
Full Policy Details
For complete terms, retailer exclusions, and verification requirements, please review our full policy:
View 180 Day Price Match Policy & Exclusions
Shop With Confidence
Mattress shopping should feel straightforward and fair. Our 180 Day Price Match is one more way we help customers shop with confidence — before and after the sale.

